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TECHNICAL PAPERS: Auto-ignition and Homogeneous Charge Compression Ignition Engines

Experimental and Analytical Examination of the Development of Inhomogeneities and Autoignition During Rapid Compression of Hydrogen-Oxygen-Argon Mixtures

[+] Author and Article Information
K. Chen, G. A. Karim

Department of Mechanical and Manufacturing Engineering, University of Calgary, Calgary, Alberta, T2N 1N4, Canada

H. C. Watson

Department of Mechanical and Manufacturing Engineering, University of Melbourne, Parkville, Victoria 3052, Australia

J. Eng. Gas Turbines Power 125(2), 458-465 (Apr 29, 2003) (8 pages) doi:10.1115/1.1560710 History: Received October 01, 2000; Revised July 01, 2001; Online April 29, 2003
Copyright © 2003 by ASME
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References

Figures

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Schematic diagram of the compression expansion machine with peripheral equipment
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Variations of the fitted activation energy value with initial temperature for stoichiometric H2-air and CH4-air mixtures in an adiabatic constant volume cylinder with initial pressure of 2.8 Mpa
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Variations of the calculated logarithmic autoignition time with the inverse of initial temperature for stoichiometric H2-air and CH4-air mixtures in an adiabatic constant volume cylinder with initial pressure of 2.8 MPa
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Comparison between experimental and predicted pressure records using the CFD and single-zone approaches for a stoichiometric mixture and an O2/Ar of 0.10/0.90
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Experimental and predicted pressure histories while using the CFD and single-zone approaches for a 15% stoichiometric hydrogen-oxygen-argon mixture for three different compression ratios, Tin=353 K and dilution 79:21 by volume
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Experimental and predicted pressure histories while using the CFD and single-zone approaches for a 250% stoichiometric hydrogen-oxygen-argon mixture for three different compression ratios, Pin=0.89 bar,Tin=353 K and dilution 79:21 by volume
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Comparison of temporal variations of different temperatures while using the CFD approach and the single-zone approach for the 250% stoichiometric hydrogen-oxygen-argon mixture with two different compression ratios of 9.93 and 12.16
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Predicted cylinder temperature fields for low and high compression ratio conditions involving the 250% stoichiometric hydrogen-oxygen-argon mixture at time=32 ms that is near and before autoignition occurrence
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Comparison of measured pressure variation with time with those predicted by the CFD approach for the 100% stoichiometric hydrogen-oxygen-argon mixture with two different swirl ratios

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